This PCIe expansion card adds a DB25 parallel port and a DB9 RS232 serial port to modern computers that lack these legacy interfaces. It is ideal for users who need to connect older peripherals like printers, scanners, or industrial equipment that rely on these ports. The card uses a PCIe 2.0 x1 slot and is compatible with both full and standard profile slots, making it suitable for a wide range of desktop systems. It is particularly useful in environments where automation, control systems, or specialized hardware still depend on these traditional connections.
The card supports parallel speeds up to 2.5 Mbps and RS232 speeds up to 921.6 Kbps, ensuring reliable data transfer for most legacy devices. It includes an Asix AX99100 chip for the parallel port and a 16C950 UART with a 256-byte FIFO buffer for the serial port, which helps reduce data loss and improve performance. The parallel port supports SPP, Byte, and ECP modes, while the serial port is compatible with IEEE 1284 standards. These features make it suitable for use with a variety of industrial and scientific equipment.
The card is compatible with Windows 7 and later, Windows Server 2003 and later, and Linux 2.6.X and later operating systems. It supports automatic IRQ and I/O assignment, as well as IRQ sharing, which simplifies installation and reduces conflicts with other hardware. It complies with PCIe Base Specification Revision 2 and PCI Power Management 1.2 standards, ensuring compatibility with modern motherboards and power-saving features.
The card is designed for easy installation in a PCIe slot and requires no additional power connectors. It comes with the necessary drivers for most operating systems, though users may need to download additional software for specific applications. It is well-suited for use in environments such as manufacturing plants, laboratories, or point-of-sale systems where legacy devices are still in use.
Brand: StarTech.com
Model: PEX1S1P952
Specifications: PCIe 2.0 x1 slot; DB25 parallel port (up to 2.5 Mbps); DB9 RS232 serial port (up to 921.6 Kbps); Asix AX99100 chip; 16C950 UART; 256-byte FIFO buffer; IEEE 1284 compliant
Features: Supports SPP/Byte/ECP modes; Auto IRQ & IO assignment; IRQ sharing; Compatible with Windows 7+, Windows Server 2003+, Linux 2.6.X+; PCIe Base Spec Rev 2 & PCI Power Mgmt 1.2 compliance
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